Ulrike Baum, Eero Poukka, Tuija Leino, Hanna Nohynek, Arto A. Palmu: High vaccine effectiveness against severe Covid-19 in the elderly in Finland before and after the emergence of Omicron [preprint], in: medRxiv (March 13, 2022), online in: https://doi.org/10.1101/2022.03.11.22272140. Abstract Background The elderly are highly vulnerable to severe Covid-19. Waning immunity and emergence of Omicron have caused concerns about reduced effectiveness of Covid-19 vaccines. The objective was to estimate vaccine effectiveness (VE) against severe Covid-19 among the elderly. Methods This nationwide, register-based cohort study included all residents aged 70 years and over in Finland. The follow-up started on December 27, 2020, […]
Daily archives: 23. May 2022
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